public void SetTopic(string name, Topic topic)
{
if (topic == null)
HttpContext.Current.Cache.Remove(BASE_TOPIC_CACHE_KEY + name);
else
HttpContext.Current.Cache.Add(BASE_TOPIC_CACHE_KEY + name, topic, null, Cache.NoAbsoluteExpiration, new TimeSpan(Settings.TopicExpirationDays, 0, 0, 0), CacheItemPriority.High, null);
}
private static bool IsFinalStep(Topic endTopic, Topic currentTopic)
{
if (RegularExpressions.DisambiguationTopicRegex.IsMatch(endTopic.Name))
{
//The end topic is very specific
//(i.e. contains disambiguation like: Canadian_Bacon_(film)
//Therefore the final step must match exactly
if (endTopic.Name.EqualsOrdinalIgnoreCase(currentTopic.Name))
return true;
}
if (RegularExpressions.DisambiguationTopicRegex.IsMatch(currentTopic.Name))
{
//The end topic is very specific
//(i.e. contains disambiguation like: Canadian_Bacon_(film)
//but since the ending topic of the puzzle is not
//then we'll just remove the disambiguation portion from the name
var ambiguousTopicName = RegularExpressions.DisambiguationTopicRegex.Match(currentTopic.Name).Groups["Topic"].Value;
if(endTopic.Name.EqualsOrdinalIgnoreCase(ambiguousTopicName))
return true;
}
//If we get here then try to compare the page titles in the event of a redirect. Otherwise just compare the topics
return endTopic.PageTitle.EqualsOrdinalIgnoreCase(currentTopic.PageTitle)
|| endTopic.Name.EqualsOrdinalIgnoreCase(currentTopic.Name);
}
private Topic CreateTopic(string topicUrl, HtmlDocument htmlDocument)
{
var topic = new Topic
{
DateCreated = DateTime.Now,
Name = GetTopicNameFromUrl(topicUrl),
};
var titleNode = htmlDocument.GetElementbyId("firstHeading");
topic.PageTitle = titleNode != null ? titleNode.InnerHtml : string.Empty;
CreateRelatedTopics(topic, htmlDocument);
_topicCache.SetTopic(topic.Name, topic);
_topicCache.SetTopicHtml(topic.Name, GetHtmlFromDocument(htmlDocument));
return topic;
}
public GameResult(Topic currentTopic)
{
CurrentTopic = currentTopic;
Success = true;
}
private void CreateRelatedTopics(Topic topic, HtmlDocument htmlDocument)
{
var relatedTopics = GetRelatedTopics(htmlDocument);
//Remove current topic from list
relatedTopics = relatedTopics.Where(x => !x.Equals(GetTopicNameFromUrl(topic.Name), StringComparison.OrdinalIgnoreCase));
topic.RelatedTopics = relatedTopics.ToList();
}